Juniper QFX5120

Juniper QFX5120

  • High scale, high availability, and high performance for data center  or campus core deployments
  • Designed for extremely agile data centers that require support for overlay/underlay network architectures
  • High-density 1GbE/10GbE/25GbE and 100GbE uplinks
  • Rich, low latency Layer 2/Layer 3 features and advanced EVPNVXLAN capabilities
  • Four compact 1 U platform options that provide wire-speed packet performance, very low latency, and a rich set of Junos® operating system features

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High-Performance Throughput
Redundant Power and Cooling
Advanced Capabilities in Junos OS
Overlay Management

Up to 3.2 Tbps Layer 2 and Layer 3 performance, with latency as low as 550 nanoseconds.

Dual hot-swappable AC or DC power supplies provide 1+1 redundancy, and hot-swappable fan trays maintain high system availability.

Support for advanced networking features such as Border Gateway Protocol (BGP).

Contrail Networking provides connectivity for legacy and cloud-native workloads across multicloud environments.

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    High-Performance Throughput
    Up to 3.2 Tbps Layer 2 and Layer 3 performance, with latency as low as 550 nanoseconds.
  • ImgPlaceholder
    Redundant Power and Cooling
    Dual hot-swappable AC or DC power supplies provide 1+1 redundancy, and hot-swappable fan trays maintain high system availability.
  • ImgPlaceholder
    Advanced Capabilities in Junos OS
    Support for advanced networking features such as Border Gateway Protocol (BGP).
  • ImgPlaceholder
    Overlay Management
    Contrail Networking provides connectivity for legacy and cloud-native workloads across multicloud environments.

Technical Details

Form Factor QFX5120-48Y: Fixed 1 U access/leaf
QFX5120-48T: Fixed 1 U access/leaf
QFX5120-32C: Fixed 1 U spine/access/leaf
Dimensions (W x H x D) QFX5120-48Y: 17.36 x 1.72 x 20.48 in (4.37 x 44.09 x 52.02 cm)
QFX5120-48T: 17.36 x 1.72 x 20.48 in (4.37 x 44.09 x 52.02 cm)
QFX5120-32C: 1.7 x 17.26 x 20.27 in (4.32 x 43.84 x 51.5 cm)
Switching capacity QFX5120-48Y: 2 Tbps/1.31 Bpps
QFX5120-48T: 1.08 Tbps/1001.7 Mpps
QFX5120-32C: 3.2 Tbps/2 Bpps
Port densities (10/25/40/50/100/400GbE) QFX5120-48Y:
48 x 10/25GbE
8 x 40/100GbE
QFX5120-48T:
48 x 1/10GbE RJ-45
6 x 40/100GbE
QFX5120-32C:
32 x 40/100GbE
Power consumption QFX5120-48Y:
Max load: 450W
Typical load: 260W
QFX5120-48T:
Max load: 450W
Typical load: 300W
QFX5120-32C:
Max load: 515W
Typical load: 380W
Buffer capacity 32MB
MAC addresses 288,000
IPv4 unicast/multicast routes 351,000/104,000
IPv6 unicast/multicast routes 168,000/52,000
Number of VLANs 4,903
ARP entries 64,000
Latency 550 ns
Overlay Management and Protocols Contrail Networking, VXLAN OVSDB, EVPN-VXLAN

Further Information